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Manual

Issue 1.5

Table of Contents

About this manual ........................................................................................... 7

1.1

Target group .................................................................................................. 8

1.2

Notations ....................................................................................................... 8

1.3

Used symbols ................................................................................................ 9

Introduction ................................................................................................... 10

2.1

Modular concept ...........................................................................................11

2.2

Measurements according to EN50160......................................................... 12

Scope of delivery........................................................................................... 12

Safety instructions ........................................................................................ 13

4.1

Intended use ............................................................................................... 13

4.2

Special safety instructions ........................................................................... 13

System requirements .................................................................................... 14

5.1

Hardware .................................................................................................... 14

5.2

Software ...................................................................................................... 14

5.3

Firmware ..................................................................................................... 14

Mounting, connecting, dismounting ............................................................ 15

6.1

Mounting ..................................................................................................... 15

6.2

Connecting .................................................................................................. 16

6.3

Dismounting ................................................................................................ 16

Device description ........................................................................................ 17

7.1

Views .......................................................................................................... 17

7.2

Display elements ......................................................................................... 18

7.2.1

Operating state L1…L4 ............................................................................... 18

7.2.2

LEDs L5…L8 ............................................................................................... 18

7.2.3

Indicators digital inputs

L10…L17 ................................................................ 19

7.3

Operating elements ..................................................................................... 19

7.3.1

ON/OFF switch S11 ..................................................................................... 19

7.3.2

Rotary switches S1 and S2 ......................................................................... 19

7.4

Communication interfaces ........................................................................... 20

7.4.1

Fiber optic connections X10 and X11 .......................................................... 20

7.4.2

Network interface X22 ................................................................................. 20

7.5

Digital inputs X5 .......................................................................................... 20

7.5.1

Connection diagram / pin assignment.......................................................... 20

7.5.2

Debounce filter ............................................................................................ 21

7.6

Voltage supply ............................................................................................. 24

7.6.1

Voltage supply X14...................................................................................... 24

7.6.2

Buffer voltage X30 ....................................................................................... 24

Measurement principles and measured quantities .................................... 25

8.1

Grid types .................................................................................................... 25

8.2

Signals and calculated characteristic values ............................................... 26

8.3

System integration....................................................................................... 28

Summary of Contents for ibaPQU-S

Page 1: ...Manual Issue 1 0 1 ibaPQU S Power Quality Measurement Unit according to IEC61000 4 30 Ed 3 Class A Manual Issue 1 5...

Page 2: ...d registered trademark of the Microsoft Corporation Other product and company names mentioned in this manual can be labels or registered trademarks of the corre sponding owners Certification The produ...

Page 3: ...vice description 17 7 1 Views 17 7 2 Display elements 18 7 2 1 Operating state L1 L4 18 7 2 2 LEDs L5 L8 18 7 2 3 Indicators digital inputs L10 L17 19 7 3 Operating elements 19 7 3 1 ON OFF switch S11...

Page 4: ...cs Digital tab 48 10 3 Submodules to calculate characteristic values 50 10 3 1 Grid module 50 10 3 2 EN50160 submodule Power frequency 54 10 3 3 Submodule EN50160 Supply voltage variation 56 10 3 4 EN...

Page 5: ...2 5 I O modules iba modular system 111 12 6 FO cards cables 112 12 7 iba software 112 13 Appendix 113 13 1 Calculating characteristic values 113 13 1 1 RMS Root Mean Square 113 13 1 2 Rectified value...

Page 6: ...Manual ibaPQU S 6 Issue 1 5 14 Index 125 15 Certificate 126 16 Support and contact 127...

Page 7: ...at www iba ag com in the download area The documentation of the ibaPQU S system comprises the following manuals ibaPQU S central unit The manual contains the following information Scope of delivery S...

Page 8: ...sible consequences and risks on the basis of his her specialist train ing knowledge and experience and knowledge of the standard regulations 1 2 Notations The following designations are used in this m...

Page 9: ...the safety instructions regarding the process and the system or machine to be controlled there is a risk of death or severe injury The non observance of this safety information may result in a potenti...

Page 10: ...U I phase angle to the reference voltage Power values active power apparent power reactive power cos electric energy power factor for individual lines and for the total grid Symmetrical components po...

Page 11: ...16 analog inputs for 10 V high impedance Current measurement modules ibaMS3xAI 1 100A 3 analog inputs for 1 A AC 100 A DC ibaMS3xAI 5A 3 analog inputs for 5 A AC ibaMS3xAI 1A 3 analog inputs for 1 A A...

Page 12: ...be configured for evaluation The ibaAnalyzer software is used for measurement evaluation and generation of reports Moreover it is possible to create long term trending and clearly structured reports...

Page 13: ...reas In this case the operator will be required to take appropriate measures ATTENTION Observe the safety measures for the I O modules used Strictly observe the operating voltage range Never supply th...

Page 14: ...sCard 54 34 slot notebook You find suitable computer systems with desktop and industry housing under http www iba ag com One FO input card type ibaFOB D firmware version beginning with D4 ibaFOB io D...

Page 15: ...e backplane 4 Press the device firmly against the backplane and secure it with the fixing screws 5 Remove the covers of the backplane slots in which you want to plug I O modules 6 Install one or more...

Page 16: ...ce with the TX interface of the ibaFOB D card in the ibaPDA computer the TX output X10 of the device with the RX interface of the ibaFOB D card in the ibaPDA computer 3 Once all required cables have b...

Page 17: ...icators digital inputs L10 L17 Connector digital inputs X5 Fixing screws Indicators L5 L8 Network interface X22 no function Rotary switches S1 S2 System function push button S10 no function Connection...

Page 18: ...System programming mode Firmware update active On Controller overloaded L2 Yellow Off No calculation Flashing Calculation running L3 White Off No FO signal detected Flashing FO signal detected config...

Page 19: ...y switch S1 is used to set the device address Two devices can be con nected to a ring using the 32Mbit Flex protocol Device number in the ring structure Position of rotary switch S1 Not allowed 0 1 De...

Page 20: ...as couplers or patch panels However the maximum distance can be estimated on the basis of the output power of the transmitting interface TX or the sensitivity of the receiving interface RX A model cal...

Page 21: ...rising edge Stretch falling edge Stretch both edges Delay both edges For each filter a debounce time ranging between 1 s 65535 s has to be defined in s Off The measured input signal is forwarded dire...

Page 22: ...ginal signal blue and keeps the logical level for the duration of the set debounce time Subsequently the channel is transparent again and waits for the next rising or falling edge Delay both edges Beg...

Page 23: ...Manual Issue 1 5 23...

Page 24: ...orrect polarity 7 6 2 Buffer voltage X30 The connection of a buffer voltage is supported at the X30 connector bottom side The following device functions can be buffered when disconnected from power su...

Page 25: ...1 phase grids 3 phase grids without neutral conductor and 3 phase grids with neutral conductor N or protective earth PE 1 phase grid In the 1 phase grid the voltage U1 and the current I1 are measured...

Page 26: ...rm factor1 X X X X X X X X X X X Crest factor1 X X X X X X X X X X X Frequency2 X X X X X X X X X X X X X Phase angle6 X X X X X X X X X X X Harmonics1 X X X X X X X X X X X X Interharmonics1 X X X X...

Page 27: ...X Zero sequence component1 X X X X X X X X X Supply voltage unbalance negative sequence component 1 X X X X X X X X X Supply voltage unbalance zero sequence component 1 X X X X X X X X Flicker P_inst5...

Page 28: ...ic values This chapter describes the associated effects 8 5 1 Sampling rate To calculate the power quality parameters the ibaPQU S central unit samples the input signals in synch with the grid and cal...

Page 29: ...o Analog None 0 Analog filter with fc 12 25 kHz 0 04 to 0 08 ms Analog filter with fc 12 25 kHz and digital filter with adjustable fc Depends on fc No Digital None or debouncing in mode stretch rising...

Page 30: ...ssue 1 5 In this context the range of the set signal in the network definition is irrelevant the algorithm described above will always be used For signals captured as raw signals the range settings in...

Page 31: ...on the voltage of the central unit ibaPQU S detects the modules and checks the firmware version ibaPQU S has a so called overall release version This version contains the current software version of t...

Page 32: ...onding firmware versions If a module cannot be detected yet i e it is more recent than the firmware version of the CPU this module is ignored and not displayed in ibaPDA In this case a new update file...

Page 33: ...baFOB D card to which ibaPQU S is con nected in the I O Manager Right click the link to open a submenu Select Autode tect If ibaPDA detects the device automatically the device and the connected module...

Page 34: ...tomatically and displayed in the module tree 7 The current and voltage inputs required for the measurement are configured in the input modules see chapter 8 Measurement principles and measured quantit...

Page 35: ...on the grid in which the measurements are taken different voltage and current signals are required see chapter 8 Measurement prin ciples and measured quantities The signals Un and In are optional inpu...

Page 36: ...required for measurement and calculation according to the standard are determined automatically The selection causes the corresponding submodules comprising the different power quality char acteristic...

Page 37: ...equency interval 10 s EN50160 Supply voltage variation RMS value voltage interval 10 min EN50160 Flicker severity long term flicker Plt per phase interval 2 h EN50160 Supply voltage unbalance negative...

Page 38: ...active power distortion power peak power active energy apparent energy reactive energy fundamental reactive energy distortion energy power factor cos phi Values for the overall grid 3 4 conductor syst...

Page 39: ...ent values for currents positive negative zero sequence component phase angle of the positive sequence component negative sequence compo nent and zero sequence component Commutation notches depth of n...

Page 40: ...ase x EN50160 Supply voltage unbalance Calculation of the voltage balance for the negative sequence component x Basic Frequency reference signal x x RMS value peak value rectified value frequency all...

Page 41: ...les for additional measurements 10 2 Basic modules in I O Manager 10 2 1 PQU S General tab Basic settings Module type Display of the module type read only Locked A locked module can only be modified b...

Page 42: ...sful the measurement is restarted automatically with the enabled module If this option is not enabled ibaPDA will not start the measurement if it cannot establish a con nection to the device Power gri...

Page 43: ...analog signals of the input modules and of all configured Grid modules and the analog status signals of ibaPQU S with their current values 10 2 3 PQU S Digital tab The Digital tab is only displayed wh...

Page 44: ...the central unit and of the connected modules Write firmware This button allows running firmware updates Select the update file pqu_v xx yy zzz iba in the browser and start the update by clicking Ok...

Page 45: ...t with yes The following message is displayed and the device reinitializes automatically with the deleted I O settings Subsequently run the Autodetect function again as described in chapter 10 1 First...

Page 46: ...can enter a signal name and additionally two comments when clicking the icon in the Name field Debounce filter In the drop down menu you can choose the operating mode for the debounce filter The foll...

Page 47: ...nt measurement intervals PLL unlocked Synchronization with reference signal failed for different measurement intervals ADC error Central unit does not receive data from the input module for different...

Page 48: ...nd selecting Diagnostics from the context menu Basic settings Module Type Locked Enabled Name Module No Use name as prefix see chapter 10 2 1 Timebase The timebase is related to the general acquisitio...

Page 49: ...ailable X Module on slot X was detected and initialized properly Embedded application state Embedded application is currentlty available Embedded application started Embedded application has been star...

Page 50: ...le General tab chapter 10 2 1 Configuration Inputs Select the grid type from the drop down menu Depending on the grid type the input measurement signals required for the grid type are displayed in the...

Page 51: ...re not assigned to any signals the central unit will calculate the signals and use them for the further calculations If signals are assigned they will be the basis for calculations Nominal voltage The...

Page 52: ...voltages are selected under Measured values the Enable currents option is not available Configure limit profiles Here you can create and manage limit profiles used in the Spectrum modules or triggers...

Page 53: ...it from which the corresponding event can be recognized The hysteresis sets the point of time when the event can be considered as terminated Using the check box Use nominal voltage for dips and swells...

Page 54: ...dividual signals are disabled the display changes to Partially compli ant on a white background This tab is only displayed if you have configured the EN50160 standard by clicking Click to configure st...

Page 55: ...ls calculated in the corresponding submodule It is not possible to delete signals or add new signals However the listed signals can be enabled or disabled individually Name The names are assigned by d...

Page 56: ...well as the measurement interval Here Supply voltage variation acc to EN50160 10 min You can enable or disable all signals of this module in a drop down menu Analog tab Name The names are assigned by...

Page 57: ...ate the flicker the lamp model to be used 230 V or 120 V has to be speci fied If the Enable currents option is True in the grid options you need to indicate for each conductor its impedance in Ohm Ana...

Page 58: ...ule Supply voltage unbalance General tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Configuration The Configuration section shows the characteristic values determined by t...

Page 59: ...ement interval Function Calculation function used by ibaPQU S Input The signals used for calculation Unit Display of the relevant unit Active Here you can enable or disable the signal 10 3 6 EN50160 s...

Page 60: ...s the fundamental frequency and the total harmonic distortion THD in 10 minute measurement intervals To calculate the THD the EN50160 standard only takes harmonics 1 40 into account In the signal disp...

Page 61: ...r frequency submodule General tab chapter 10 3 2 Configuration The Configuration section shows the characteristic values determined by this module as well as the measurement interval Here Mains signal...

Page 62: ...signal display the signals are grouped by input Click the sign before the group name to show the signals of a group Name The names are assigned by default To allow an unambiguous identification they...

Page 63: ...cy submodule General tab chapter 10 3 2 Configuration The Configuration section shows the characteristic values determined by this module as well as the measurement interval Here Voltage events acc to...

Page 64: ...the icon in the signal name field Function input unit Displays the corresponding property Active Here you can enable or disable the signal Digital tab Name The names of the voltage events are assigne...

Page 65: ...urement intervals For each input Phase angle form factor crest factor measurement interval 200 ms In the signal display the signals are grouped by input Click the sign before the group name to show th...

Page 66: ...measurement interval 200 ms In the signal display the signals are grouped by input Click the sign before the group name to show the signals of a group Name The names are set by default but can be edit...

Page 67: ...n and drag the Phasor or Basic module from the signal tree on the left onto the display Filled arrowheads RMS value of voltage in the corresponding phase angle Empty arrowheads RMS value of current in...

Page 68: ...Power submodule General tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Configuration Enable distortion power Set this option to True if you want to activate the calculatio...

Page 69: ...id without N PE the above values are also calculated for the overall grid with the exception of cos phi and peak value Name The names are set by default but can be edited To allow an unambiguous ident...

Page 70: ...trum submodule General tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Important note The total number of Harmonic voltage and Spectrum submodules per ibaPQU must not excee...

Page 71: ...ce factor Type TIF acc to IEEE Std 519 Describes the effects of harmonic voltages or cur rents on communication systems near transmission lines THFF European version of the TIF defined by the CCITT Co...

Page 72: ...edefined limits are saved as additional information in order to facilitate a later analysis You will find further information how to configure additional profiles in the chapter 10 3 1 Grid module Ana...

Page 73: ...neral tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Analog tab The Analog tab is only available for star grid with N PE and a grid without N PE If the submodule is config...

Page 74: ...equence component Percentage of voltage vectors all showing in the same direction Angle of the zero sequence component Direction of the zero sequence component of the voltage vectors The voltage vecto...

Page 75: ...tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Configuration Lamp model To calculate the flicker the lamp model to be used 230V or 120V has to be specified Flicker input...

Page 76: ...Signal Meaning U Instantaneous flicker severity V Pinst Value for the current flicker severity U Flicker severity V Pst Short term flicker level Pst U Flicker severity V Plt Flicker value according to...

Page 77: ...For the standard update intervals 200 ms 3 s 10 s 10 min 2 h the aggre gation method is listed in the table Calculated characteristic values in chap ter 8 2 The following aggregation is applied for th...

Page 78: ...units as an integer value into the field The defined amount and the unit determine the measurement interval and auto matically the name of the module Mode Custom Select Custom to configure the analog...

Page 79: ...e listed in the Analog tab Name The names are assigned by default To allow an unambiguous identification they contain the input channel and the characteristic value You can additionally assign two com...

Page 80: ...lue to be calculated from the drop down menu Phase Peak value The calculations applicable to the selected input signal are shown in green Order If one of the harmonics or interharmonics is selected un...

Page 81: ...a 200 ms interval exactly 10 periods are measured in 50 Hz grids and 12 periods in 60 Hz grids equivalent to exactly 200 ms With user defined power frequencies 10 or 12 periods are measured accordingl...

Page 82: ...ual ibaPQU S 82 Issue 1 5 10 3 16 Commutation notches submodule General tab Basic settings See Power frequency submodule General tab chapter 10 3 2 Analog tab Signals Depth of notch per phase in perce...

Page 83: ...Power frequency submodule General tab chapter 10 3 2 You will find the configuration of the event limits in chapter 10 3 1 Grid module Analog tab Signal Meaning Start How many seconds ago did the even...

Page 84: ...rage Delta Uss Difference between Uss and the start of the event and Uss and the end of the event Uss Floating average of the half period RMS value over 1 second Digital tab The listed signals here ar...

Page 85: ...ental conditions Cooling Passive Temperature ranges Operation Storage transport 32 F 122 F 0 C 50 C 13 F 158 F 25 C 70 C Mounting position Vertical plugged into backplane Installation height Up to 200...

Page 86: ...X Sensitivity2 100 140 m FO cable 33 2 dBm to 26 7 dBm Temperature range 40 F to 185 F 40 C to 85 C Additional interfaces Ethernet 10 100 Mbit s USB 2x host 1x device for service purposes 2 Data for o...

Page 87: ...nent Signal level log 0 Signal level log 1 6 V 6 V 10 V 10 V Input current 1 mA constant Debounce filter Optional with 4 operating modes Sampling rate Max 40 kHz freely adjustable Delay typ 10 s Elect...

Page 88: ...eak Rectified Form factor Crest factor Frequency Phase Harmonics Interharmonics THD TIF Mains signalling Power energy Power energy VA Power energy VAr Fundamental reactive power energy Power factor Co...

Page 89: ...Manual Issue 1 5 89 11 5 Dimensions ibaPQU S Dimensions in mm Dimensions of ibaPQU S with cables dimensions in mm...

Page 90: ...Manual ibaPQU S 90 Issue 1 5 Distance between two ibaPQU S systems Dimensions in mm...

Page 91: ...Manual Issue 1 5 91 ibaPQU S and backplane Dimensions in mm...

Page 92: ...Manual ibaPQU S 92 Issue 1 5 Dimensions of ibaPADU S B1S with modules dimensions in mm...

Page 93: ...tal inputs X5 Pin Connection 1 Digital input 00 2 Digital input 00 3 Digital input 01 4 Digital input 01 5 Digital input 02 6 Digital input 02 7 Digital input 03 8 Digital input 03 9 Digital input 04...

Page 94: ...lation the specified output power of the transmitting device and on the other side the specified sensitivity of the receiving device must be used in each case You will find the corresponding values in...

Page 95: ...e ibaFOB io Dexp ibaBM PN in the best case 30 9 21 21 2 0 5 3 5 5 71km Calculation for the example ibaFOB io Dexp ibaBM PN in the worst case 30 16 14 14 2 0 5 3 5 3 71km Note When connecting several d...

Page 96: ...l ibaPQU S 96 Issue 1 5 12 Accessories 12 1 Backplane panels 12 1 1 ibaPADU S B4S Backplane panel for mounting 1 central unit and up to 4 I O modules 12 1 1 1 Scope of delivery Backplane panel Assembl...

Page 97: ...Manual Issue 1 5 97 Assembly kit 12 1 1 2 Dimensions Dimensions in mm Dimensions ibaPADU S B4S with mounting angles dimensions in mm...

Page 98: ...panel for 1 central unit and up to 4 I O modules from the iba modular system Order number 10 124000 Interface central unit Number 1 Connection type Female header pole number 3 x 32 Slot X1 Interface I...

Page 99: ...Manual Issue 1 5 99 12 1 2 ibaPADU S B1S Backplane panel for mounting 1 central unit and 1 I O module 12 1 2 1 Scope of delivery Backplane panel Assembly kit...

Page 100: ...name ibaPADU S B1S Description Backplane panel for 1 central unit and 1 I O module from the iba modular system with mounting angles Order number 10 124002 Interface central unit Number 1 Connection t...

Page 101: ...de Assembly kit enclosed Design Dimensions width x height x depth 99 mm x 247 mm x 21 mm Weight incl packaging 0 32 kg 0 43 kg 12 2 Mounting system for central unit 12 2 1 ibaPADU S B Mounting panel w...

Page 102: ...iption Product name ibaPADU S B Description Mounting panel for 1 central unit from the iba modular system with DIN rail clip Order number 10 124001 Mounting Panel on DIN rail according to EN 50022 TS...

Page 103: ...y 2 pieces mounting angles 1 set 12 3 1 2 Dimensions W x h x d 179 mm x 57 mm x 10 mm 12 3 1 3 Technical data Short description Product name Mounting angles for iba modular system Description 1 set 2...

Page 104: ...Manual ibaPQU S 104 Issue 1 5 12 3 2 Mounting panel 19 Mounting panel 483 mm 19 for up to 2 ibaPADU S B4S backplane panels 12 3 2 1 Scope of delivery Mounting panel Assembly kit...

Page 105: ...ng backplane panel Up to 2 ibaPADU S B4S backplane panels can be mounted on the 19 mounting panel The mounting of one backplane panel is possible either in the center or on the right or left side Moun...

Page 106: ...Manual ibaPQU S 106 Issue 1 5 12 3 2 3 Dimensions Dimensions in mm...

Page 107: ...plane panel must be grounded via the mounting panel Screw the grounding cable on the back of the mounting panel to the backplane panel Use the screw connection as described in chap ter 12 1 1 3 Connec...

Page 108: ...el at the next threaded bolt of the mounting panel The grounding of the mounting panel can then be connected at the opposite side See figure below Variation 3 Two backplane panels are mounted Ground t...

Page 109: ...s Assembly kit enclosed Grounding 2 threaded bolts M6 rear side Assembly kit enclosed Design Height units HU 5 Dimensions width x height x depth 483 mm x 221 mm x 22 mm Weight incl packaging 1 2 kg 1...

Page 110: ...1 backplane panel ibaPADU S B4S incl power supply 24 V DC 5 A 10 800007 Order number 10 124007 Design Dimensions width x height x depth 230 mm x 435 mm x 200 mm Weight 1 8 kg Accessory Power supply 2...

Page 111: ...10 124103 16 analog inputs 24 V high impedance ibaMS16xAI 20mA 10 124110 16 analog inputs 20 mA ibaMS16xDI 220V 10 124200 16 digital inputs 220 V ibaMS16xDI 24V 10 124201 16 digital inputs 24 V ibaMS3...

Page 112: ...2 outputs ibaFOB 4i Dexp 11 118000 PCI Express card 4 inputs ibaFOB io ExpressCard 11 117000 For measuring with the notebook ibaFOB io USB 11 117010 For measuring with the notebook iba also offers sui...

Page 113: ...acteristic values are calculated as follows 13 1 1 RMS Root Mean Square 13 1 2 Rectified value 13 1 3 Peak value 13 1 4 Form factor 13 1 5 Crest factor 13 1 6 Frequency 13 1 7 Harmonics interharmonics...

Page 114: ...e 1 5 13 1 9 Flicker Short term Flicker algorithm Long term 13 1 10 Power Energy Two conductors per phase Active power Apparent power Total reactive power Fundamental reactive power Distortion reactiv...

Page 115: ...anual Issue 1 5 115 Three conductors Active power Apparent power Total reactive power Fundamental reactive power Distortion reactive power Power factor Cos Per phase Total grid no calculation possible...

Page 116: ...ors Active power Apparent power Total reactive power Fundamental reactive power Distortion reactive power Per phase Total grid Power factor Cos Per phase Total grid no calculation possible Neutral con...

Page 117: ...ows of the respective phase are located directly over each other Name Meaning U RMS value of the phase U Percentage of the positive sequence component U Percentage of the negative sequence component U...

Page 118: ...rs and consist of an amount and an angle Negative sequence unbalance Zero sequence unbalance 13 1 12 Interference factor TIF THFF f1 Nominal power system frequency 50 Hz or 60 Hz Factorn Weighting fac...

Page 119: ...Manual Issue 1 5 119 13 1 13 Commutation notches Commutation notch voltage drop peak value of the fundamental wave of the nominal voltage...

Page 120: ...e start_time in seconds while the event is running Swell event Duration Previous duration of events in seconds while the event is running Swell event Max Maximum half period RMS value in V while the e...

Page 121: ...verage limit or Floating_average limit RVC event Start Current_time start_time in seconds RVC event Duration Duration of the event in seconds RVC event Delta Umax Maximum deviation from the floating a...

Page 122: ...tly connected to the ibaPQU S system If the values voltage and current to be measured are higher appropriate instrument transformers need to be used Important note The wiring always needs to be carrie...

Page 123: ...de also needs to exist on the secondary side The instrument transformers also need to offer a broadband frequency transmission in order to capture harmonics or interharmonics up to the 50th harmonic T...

Page 124: ...Manual ibaPQU S 124 Issue 1 5 Example of 1 phase measuring with a Rogowski coil or a current clamp...

Page 125: ...es 23 Grounding 14 H Harmonic 35 36 I I O Manager 30 I O modules calculation of power quality parameters 10 Interharmonic 36 Interharmonics 35 IP address via FO 39 M Measurements 24 N Nominal frequenc...

Page 126: ...Manual ibaPQU S 126 Issue 1 5 15 Certificate...

Page 127: ...t Contact Headquarters iba AG Koenigswarterstrasse 44 D 90762 Fuerth Germany Phone 49 911 97282 0 Fax 49 911 97282 33 E mail iba iba ag com Mailing address iba AG Postbox 1828 D 90708 Fuerth Germany D...

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